mirror of
https://github.com/arkenfox/user.js.git
synced 2025-11-04 07:45:26 +01:00
updater.sh restructuring/re-write (#541)
* Uses `perl` as a last resort if `curl` and `wget` are not available (fixes #537) * Aborts and notifies user if none of the above are installed * Better use of functions * When version numbers are checked, the contents are immediately saved to a temp dir. This allows us to skip using wget/curl/perl a second time * Improved messages for users * Added various font colors for ease of use and aesthetics
This commit is contained in:
Pat Johnson
278
updater.sh
278
updater.sh
@@ -1,129 +1,205 @@
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#!/usr/bin/env bash
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### ghacks-user.js updater for Mac/Linux
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## author: @overdodactyl, @ema-pe
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## version: 1.4
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## ghacks-user.js updater for macOS and Linux
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## version: 1.5
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## Author: Pat Johnson (@overdodactyl)
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## Additional contributors: @earthlng, @ema-pe
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## DON'T GO HIGHER THAN VERSION x.9 !! ( because of ASCII comparison in check_for_update() )
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ghacksjs="https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/user.js"
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updater="https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/updater.sh"
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#########################
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# Base variables #
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#########################
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update_pref=${1:--ask}
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RED='\033[0;31m'
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BLUE='\033[0;34m'
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BBLUE='\033[1;34m'
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GREEN='\033[0;32m'
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ORANGE='\033[0;33m'
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CYAN='\033[0;36m'
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NC='\033[0m' # No Color
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#########################
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# Working directory #
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#########################
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# get current directory
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currdir=$(pwd)
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DOWNLOAD_TO_STDOUT="curl -s"
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DOWNLOAD_TO_FILE="curl -O"
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# Use wget if curl is not available.
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if [[ -z $(command -v "curl") ]]; then
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DOWNLOAD_TO_STDOUT="wget --quiet --output-document=-"
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DOWNLOAD_TO_FILE="wget"
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fi
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## get the full path of this script (readlink for Linux, greadlink for Mac with coreutils installed)
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sfp=$(readlink -f "${BASH_SOURCE[0]}" 2>/dev/null || greadlink -f "${BASH_SOURCE[0]}" 2>/dev/null)
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## fallback for Macs without coreutils
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if [ -z "$sfp" ]; then sfp=${BASH_SOURCE[0]}; fi
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## store the Firefox profile directory
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ff_profile="$(dirname "${sfp}")"
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## change directory to the Firefox profile directory
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cd "$(dirname "${sfp}")"
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## Used to check if a new version of updater.sh is available
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update_available="no"
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check_for_update () {
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online_version="$($DOWNLOAD_TO_STDOUT ${updater} | sed -n '5 s/.*[[:blank:]]\([[:digit:]]*\.[[:digit:]]*\)/\1/p')"
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path_to_script="$(dirname "${sfp}")/updater.sh"
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current_version="$(sed -n '5 s/.*[[:blank:]]\([[:digit:]]*\.[[:digit:]]*\)/\1/p' "$path_to_script")"
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if [[ "$current_version" < "$online_version" ]]; then
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update_available="yes"
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#########################
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# File Handeling #
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#########################
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# Download method priority: curl -> wget -> pearl
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DOWNLOAD_METHOD="not_pearl"
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if [[ $(command -v "curl") ]] > /dev/null 2>&1; then
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DOWNLOAD_TO_FILE="curl -O"
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elif [[ $(command -v "wget") ]] > /dev/null 2>&1; then
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DOWNLOAD_TO_FILE="wget"
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elif [[ $(command -v "perl") ]]; then
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DOWNLOAD_METHOD="perl"
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else
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echo -e ${RED}"This script requires curl, wget or perl to be installed.\nProcess aborted"${NC}
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exit 0
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fi
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# Download files
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download_file () {
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mkdir -p userjs_temps
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cd userjs_temps
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url=$1
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if [ $DOWNLOAD_METHOD = "not_pearl" ]; then
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$DOWNLOAD_TO_FILE ${url}
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else
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http_url=${url/https/http}
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# Variables from the shell are available in Perl's %ENV hash
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# Need to export shell variable so it is visible to subprocesses
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export http_url
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perl -e '
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use File::Fetch;
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my $ff = File::Fetch->new(uri => $ENV{http_url});
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my $where = $ff->fetch() or die $ff->error;
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my $where = $ff->fetch( to => "." );
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'
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fi
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cd ..
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}
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# Backup a file into userjs_backups
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# Replace current version of a file with new one in userjs_temps
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backup_file () {
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filename=$1
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mkdir -p userjs_backups
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mv $filename "userjs_backups/${filename}.backup.$(date +"%Y-%m-%d_%H%M")"
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mv "userjs_temps/${filename}" $filename
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echo -e "Status: ${GREEN}${filename} has been backed up and replaced with the latest version!${NC}"
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}
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#########################
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# Initiation #
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#########################
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initiate () {
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echo -e
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echo -e
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echo -e ${BBLUE}" ############################################################################"
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echo -e " #### ####"
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echo -e " #### ghacks user.js ####"
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echo -e " #### Hardening the Privacy and Security Settings of Firefox ####"
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echo -e " #### Maintained by @Thorin-Oakenpants and @earthlng ####" ####"
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echo -e " #### Updater for macOS and Linux by @overdodactyl ####" ####"
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echo -e " #### ####"
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echo -e " ############################################################################"${NC}
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echo -e
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echo -e
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echo -e "Documentation for this script is available here: ${CYAN}https://github.com/ghacksuserjs/ghacks-user.js/wiki/3.3-Updater-Scripts${NC}\n"
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}
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confirmation () {
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download_file "https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/user.js" &>/dev/null
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echo -e "Please observe the following information:"
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echo -e "\tFirefox profile: ${ORANGE}$(pwd)${NC}"
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echo -e "\tAvailable online: ${ORANGE}$(get_userjs_version userjs_temps/user.js)${NC}"
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echo -e "\tCurrently using: ${ORANGE}$(get_userjs_version user.js)\n${NC}\n"
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echo -e "This script will update to the latest user.js file and append any custom configurations from user-overrides.js. ${RED}Continue Y/N? ${NC}"
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read -p "" -n 1 -r
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echo -e "\n"
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if [[ $REPLY =~ ^[Nn]$ ]]; then
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echo -e ${RED}"Process aborted"${NC}
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return 1
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fi
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}
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## Used to backup the current script, and download and execute the latest version of updater.sh
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update_script () {
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echo -e "This script will be backed up and the latest version of updater.sh will be executed.\n"
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mv updater.sh "updater.sh.backup.$(date +"%Y-%m-%d_%H%M")"
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$DOWNLOAD_TO_FILE ${updater} && echo -e "\nThe latest updater script has been downloaded\n"
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# make new file executable
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#########################
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# Update updater.sh #
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#########################
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# Returns the version number of a updater.sh file
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get_updater_version () {
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filename=$1
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version_regex='5 s/.*[[:blank:]]\([[:digit:]]*\.[[:digit:]]*\)/\1/p'
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echo "$(sed -n "$version_regex" "${ff_profile}/${filename}")"
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}
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# Update updater.sh
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# Default: Check for update, if available, ask user if they want to execute it
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# Args:
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# -donotupdate: New version will not be looked for and update will not occur
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# -update: Check for update, if available, execute without asking
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update_updater () {
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update_pref="$(echo $update_pref | tr '[A-Z]' '[a-z]')"
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if [ $update_pref = "-donotupdate" ]; then
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# User signified not to check for updates
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return 0
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fi
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download_file "https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/updater.sh" &>/dev/null
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if [[ $(get_updater_version updater.sh) < $(get_updater_version userjs_temps/updater.sh) ]]; then
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if [ $update_pref != "-update" ]; then
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echo -e "There is a newer version of updater.sh available. ${RED}Download and execute Y/N?${NC}"
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read -p "" -n 1 -r
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echo -e "\n\n"
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if [[ $REPLY =~ ^[Nn]$ ]]; then
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# Update available, but user chooses not to update
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return 0
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fi
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fi
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else
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# No update available
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return 0
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fi
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# Backup current updater, execute latest version
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backup_file updater.sh
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chmod +x updater.sh
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# execute new updater script
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./updater.sh -donotupdate
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# exit script
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exit 1
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}
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main () {
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## create backup folder if it doesn't exist
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mkdir -p userjs_backups;
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#########################
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# Update user.js #
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#########################
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echo -e "\nThis script should be run from your Firefox profile directory.\n"
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echo -e "Updating the user.js for Firefox profile:\n$(pwd)\n"
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if [ -e user.js ]; then
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echo "Your current user.js file for this profile will be backed up and the latest ghacks version from github will take its place."
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echo -e "\nIf currently using the ghacks user.js, please compare versions:"
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echo " Available online: $($DOWNLOAD_TO_STDOUT ${ghacksjs} | sed -n '4p')"
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echo " Currently using: $(sed -n '4p' user.js)"
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else
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echo "A user.js file does not exist in this profile. If you continue, the latest ghacks version from github will be downloaded."
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fi
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echo -e "\nIf a user-overrides.js file exists in this profile, it will be appended to the user.js.\n"
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read -p "Continue Y/N? " -n 1 -r
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echo -e "\n\n"
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if [[ $REPLY =~ ^[Yy]$ ]]; then
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if [ -e user.js ]; then
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# backup current user.js
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bakfile="userjs_backups/user.js.backup.$(date +"%Y-%m-%d_%H%M")"
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mv user.js "${bakfile}" && echo "Your previous user.js file was backed up: ${bakfile}"
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fi
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# download latest ghacks user.js
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echo "downloading latest ghacks user.js file"
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$DOWNLOAD_TO_FILE ${ghacksjs} && echo "ghacks user.js has been downloaded"
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if [ -e user-overrides.js ]; then
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echo "user-overrides.js file found"
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cat user-overrides.js >> user.js && echo "user-overrides.js has been appended to user.js"
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fi
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else
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echo "Process aborted"
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fi
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## change directory back to the original working directory
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cd "${currdir}"
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# Returns version number of a user.js file
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get_userjs_version () {
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filename=$1
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echo "$(sed -n "4p" "${ff_profile}/${filename}")"
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}
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# Applies latest version of user.js and any custom overrides
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update_userjs () {
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backup_file user.js
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if [ -e user-overrides.js ]; then
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cat user-overrides.js >> user.js
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echo -e "Status: ${GREEN}Your user-overrides.js customizations have been applied!${NC}"
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fi
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}
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update_pref="$(echo $update_pref | tr '[A-Z]' '[a-z]')"
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if [ $update_pref = "-donotupdate" ]; then
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main
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else
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check_for_update
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if [ $update_available = "no" ]; then
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main
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else
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## there is an update available
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if [ $update_pref = "-update" ]; then
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## update without asking
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update_script
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else
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read -p "There is a newer version of updater.sh available. Download and execute? Y/N? " -n 1 -r
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echo -e "\n\n"
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if [[ $REPLY =~ ^[Yy]$ ]]; then
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update_script
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else
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main
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fi
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fi
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fi
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fi
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#########################
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# Execute #
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#########################
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## change directory to the Firefox profile directory
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cd "$ff_profile"
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initiate
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update_updater
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confirmation && update_userjs
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rm -rf userjs_temps
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cd "${currdir}"
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